LONDON — The Duchess of Cambridge gave birth to a boy on Monday, Kensington Palace announced.
It is her third child with Britain's Prince William, who accompanied his wife to the hospital. The baby weighed 8 pounds, 7 ounces.
His name was not immediately announced.
The duchess, who was formerly known as Kate Middleton, had been admitted to the Lindo Wing of St. Mary’s Hospital in London earlier Monday. She gave birth at 11:01 a.m. local time (6:01 a.m. ET), royal officials said.
Kate and Prince William left the hospital with the infant prince barely eight hours after he was born.
The couple posed with their new baby on the steps of the hospital Monday evening, with Kate, wearing a red dress and makeup, cradling the newborn in a white blanket.
The little boy appeared to be sleeping in her arms and had a white knitted cap on.
The hospital is also where William’s parents, Prince Charles and Diana, introduced him to the world after he was born. In the U.K., it is common for women with straightforward births to be released the same day.
After waving to onlookers, the beaming parents walked over to a black car, and Prince William put the baby's carseat in the back seat.
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The boy is now fifth in line to the throne, kicking Prince William's brother, Prince Harry, down one spot. He is Queen Elizabeth II's sixth great-grandchild.
The duchess had her two other children, Prince George in 2013 and Princess Charlotte in 2015, at the same hospital. Princes William and Harry were also born there.